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CHAPTER VII. TEMPERATUR.E 

 CONTENTS 



Page 



General 61 



Air -Temperature Measurements 61 



Definitions 61 



Reading the Thermometer 61 



Psychrometers 61 



Psychrometer (Portable, Aspirated, Electric) 62 



Care of the Psychrometer 62 



Sling Psychrometer 62-63 



Psychrometer Readings 64 



Computation of the Dew -Point Temperature 64 



Depression of the Wet-Bulb Thermometer 64-65 



Rounded Wet Bulb Temperature 6 5 



Rounded Depression of the Wet Bulb 6 5 



Psychrometric Tables 65 



Sea-Water Temperature Measurements 66 



General 66 



Coding and Entries of Temperature Data on Form 615-5 66 



Air Temperatures (TT, T^Td) 66 



Wet Bulb Temperature 66 



Dew Point Temperature 66 



Sea-Water Temperature 66 



Air-Sea Temperature Difference (TsTg) 66 



FIGURES 



Figure 9. --Sling Psychrometer 62 



Figure 10. --Psychrometer (Portable, Aspirated, Electric) 63 



